<!DOCTYPE html>
<html>
    <head>
	<title>css后代选择器</title>
	<meta charset="UTF-8">
	<style>
	    p{color: red;}
	    /*后代选择器*/
	    p span{color: #ff33cc;}
	</style>
    </head>
    <body>
	<p>这是一段<span>话</span></p>
	<span>span标签</span>
    </body>
</html>
